Overview
If an SDK API call to request the COS service fails, an error message will be returned in the callback.
Sample error
cos.headBucket({
Bucket='examplebucket-1250000000',
Region: 'COS_REGION',
},function (err,data) {
if (err) {
console.log(err.error);
}
});
Client Exceptions
| Parameter Name |
Description |
Type |
| err |
Object returned when an error (network error or service error) occurs. If the request is successful, this is null. For more information, see Error Codes |
Object |
| - error |
Request error message |
Object/String |
Server exceptions
| Parameter Name |
Description |
Type |
| err |
Object returned when an error (network error or service error) occurs. If the request is successful, this is null. For more information, see Error Codes |
Object |
| - statusCode |
HTTP status code returned by the request, such as 200, 403, and 404 |
Number |
| - headers |
Header information returned by the request |
Object |
| - error |
Request error message |
Object/String |
| errorCode |
Error code returned by the body when the request fails. For more information, see Error Codes. |
string |
| errorMessage |
Error message returned by the body when the request fails. For more information, see Error Codes. |
string |
| - - RequestId |
A unique ID of the request in the server request log that can be submitted in a ticket for troubleshooting |
String |
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